package com.ny.wlw;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.charset.StandardCharsets;

public class Test04 {

    public static void main(String[] args) throws IOException {
        String data = "劳动节快乐";
        FileOutputStream outputStream = new FileOutputStream("1.txt");
        byte[] bytes = data.getBytes();
        outputStream.write(bytes);

        FileInputStream inputStream = new FileInputStream("1.txt");
        byte[] buffer = new byte[1024];
        StringBuilder conten = new StringBuilder();
        int length;
        while ((length = inputStream.read(buffer)) != -1) {
            conten.append(new String(buffer, 0, length, StandardCharsets.UTF_8));
        }
        System.out.printf(conten.toString());
    }
}


